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charset="utf-8" From: Jan Kiszka Extend the systemd service so that it can be used for tuning the Energy Performance Preference (EPP) as well. Available options can be read from /sys/devices/system/cpu/cpufreq/policy0/energy_performance_available_prefer= ences. The desired one can then be set in cpupower-service.conf. Signed-off-by: Jan Kiszka --- Changes in v2: - improve commit message tools/power/cpupower/cpupower-service.conf | 5 +++++ tools/power/cpupower/cpupower.sh | 6 ++++++ 2 files changed, 11 insertions(+) diff --git a/tools/power/cpupower/cpupower-service.conf b/tools/power/cpupo= wer/cpupower-service.conf index 02eabe8e3614..abbb46967565 100644 --- a/tools/power/cpupower/cpupower-service.conf +++ b/tools/power/cpupower/cpupower-service.conf @@ -30,3 +30,8 @@ # its policy for the relative importance of performance versus energy savi= ngs to # the processor. See man CPUPOWER-SET(1) for additional details #PERF_BIAS=3D + +# Set the Energy Performance Preference +# Available options can be read from +# /sys/devices/system/cpu/cpufreq/policy0/energy_performance_available_pre= ferences +#EPP=3D diff --git a/tools/power/cpupower/cpupower.sh b/tools/power/cpupower/cpupow= er.sh index a37dd4cfdb2b..6283e8bf275d 100644 --- a/tools/power/cpupower/cpupower.sh +++ b/tools/power/cpupower/cpupower.sh @@ -23,4 +23,10 @@ then cpupower set -b "$PERF_BIAS" > /dev/null || ESTATUS=3D1 fi =20 +# apply Energy Performance Preference +if test -n "$EPP" +then + cpupower set -e "$EPP" > /dev/null || ESTATUS=3D1 +fi + exit $ESTATUS --=20 2.47.3